/*
 * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt).
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

package com.sun.jumpimpl.module.installer;

import java.io.BufferedReader;
import java.io.InputStreamReader;

/**
 * This is a utilities class to be used by JUMP installer classes.
 */
public class Utilities {
    
    /**
     * Prompt the user for key input.
     * @param message The message to be displayed to the user.
     * @return The String representation of the key.
     */
    public static String promptUser(String message) {                
        BufferedReader in =
                new BufferedReader( new InputStreamReader( System.in ) );
        String answer;
        while ( true ) {
            System.out.print(message);
            try {
                answer = in.readLine();
            } catch ( java.io.IOException ioe ) {
                continue;
            }
            
            if ( "".equals( answer ) || answer == null) {
                continue;
            } else {
                return answer;
            }
        }
        
    }
    
}